16042318 has 4 divisors (see below), whose sum is σ = 24063480. Its totient is φ = 8021158.

The previous prime is 16042309. The next prime is 16042319. The reversal of 16042318 is 81324061.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 16042292 and 16042301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010578 + ... + 4010581.

It is an arithmetic number, because the mean of its divisors is an integer number (6015870).

Almost surely, 2^16042318 is an apocalyptic number.

16042318 is a deficient number, since it is larger than the sum of its proper divisors (8021162).

16042318 is an equidigital number, since it uses as much as digits as its factorization.

16042318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021161.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 16042318 is about 4005.2862569360. The cubic root of 16042318 is about 252.2061699875.

Adding to 16042318 its reverse (81324061), we get a palindrome (97366379).

The spelling of 16042318 in words is "sixteen million, forty-two thousand, three hundred eighteen".